The half 0°C temperature paradox

 If the half of 1000 grams is 500grams

and the half of 0 gram is 0 gram.

Then, what is the half of the temperature 0°C?

🤔🤔🤔🤔🤔🤔🤔

Now, let's imagine ourselves inside a black hole where we don't know all what's happening around us. Let's admit that we can mix ex-aequo 2 litters of boiling gases; g1 at the temperature of -200° & g2 at the temperature of -400. Let's admit that the moisture don't explode.

What would be the temperature of the mixture? Would we get an immediate value or the thermometer would sway forever? Would there be a transportation of energy between g1 & g2? Would we this  experiment generate  heat?

Do black holes dilute heat & cold🤔

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